SONY BRAVIA KDL-40EX520

SERVICE MODE - WHITE BALANCE ADJUSTMENT AND BLOCK DIAGRAM

ENTERING SERVICE MODE
1) Turn on the main power switch to place this set in standby mode.
2) Press the buttons on the remote commander as follows, and entering service
mode

DISPLAY > Channel 5 > Volume + > TV POWER

3) Service mode display.
Note: First of all, when you enter Service Mode, you can see “Digital” service
mode.
Whenever you press “OPTIONS” or “JUMP” on remote, each service mode is changed.
“Digital” -> “Chassis” -> “VPC”.

3) Change Data of “Digital” service mode.
a. Select “007 VCOM” category by pressing “2 / 5” on remote.
b. Change data from “1” to “0” by pressing “3 ” on remote.
c. Confirm the final result of the VCOM adjustment.
d. If OK, Finish the VCOM adjustment.
If NG, pressing “6” to show the OSD again and go back to VCOM adjustment 2)-d

3) Write data for “Digital” service mode. ( “002 MODEL” category)
Note: This procedure operation, when replaced the B board.
Note: Do not write a wrong segment or destination information in Product ID.
When the wrong setting is written, TV may not operate.
000 SEG -----------------Select JDM code information
001 DEST ---------------Select destination information
002 MODELNAME ---Select model name
004 SERIAL ------------ Can be set only once for the new board
a. Change data for each model.
b. Press “Mute”, “0” on remote sequentially.
It shows red “WRITE”. It indicate writing is processing.
c. After a while. Red “WRITE” disappears. Writing process is done after a while.

SET TO SHIPPING CONDITION
How to do shipping condition.
a. Move to “Digital” service mode.
Press “8” on remote.
It shows green “SERVICE” changes to green “RST-”.
Press “mute” on remote.
Added green “EXE” after green “RST-” .
d. Press “0” on remote. Green “EXE-RST” changes to red “EXE-RST”. It indicate
writing is processing.
After a while, red “EXE-RST” changes to green “SERVICE”.
And all LED lights.
Writing process is done at this point.